sys/benchmark: fix integer overflow in benchmark_print_time()

RIOT-OS · Oct 13, 2023 · 568cbc0 · 568cbc0
1 parent 3a4ec8d
commit 568cbc0
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/sys/benchmark/benchmark.c b/sys/benchmark/benchmark.c
@@ -26,7 +26,7 @@
 void benchmark_print_time(uint32_t time, unsigned long runs, const char *name)
 {
     uint32_t full = (time / runs);
-    uint32_t div  = (time - (full * runs)) * 1000 / runs;
+    uint32_t div  = (uint32_t)(((uint64_t)(time - (full * runs))) * 1000 / runs);
 
     uint32_t per_sec = (uint32_t)(((uint64_t)US_PER_SEC * runs) / time);